Product Feature
Tractor Serviceability Improvement
The fuel, water and engine oil are relocated at ground level on the right hand side of the machine for easy access.
Brakes
Have been changed from an air actuated drum shoe brake to a hydraulic actuated tractor wet disc brake and a scraper dry caliper.
Tire Spin Reduction
This feature will allow the machine to control the slip of the tractor tires only.
Engine Over Speed Protection
In the event of an engine over speed situation, the compression brake or brakes will automatically engage with no operator input. The machine determines the over speed condition based on rate of acceleration and applies compression brakes automatically.
Advanced Cushion Hitch
With similar technology as the Cat® Advanced Ride Management seat suspension, this software allows the cushion hitch to prevent end stroke by having the ability to predict end stroke events and manage the rate of dampening. Resulting in reduced hitch maintenance and improved operator ride in rough conditions.
High Pressure Steering
K Series steering system design requires significantly less steering effort. The reduced steering effort will allow for decreased operator fatigue and a more efficient operator resulting in possible higher rates of production late in the work cycle.
Differential Lock Engagement Protection
This standard feature allows the machine to prevent the operator from engaging the differential lock when damage could occur.
Cab Improved
The K Series cab interior improves operator comfort and visibility. The overall interior is 21% larger than the G Series cab.
Machine Speed Limit
This feature is designed to take the place of top gear selection. If the machine top speed needs to be limited the operator can select the top speed through the display or the top speed can be set in ET. This will allow the machine to find the correct gear that works best for the engine and transmission. Allowing the engine and transmission to select the correct gear to pull the load in most cases resulting in a lower engine load factor and lower fuel burn verses using top gear selection that required the machine to run at engine speeds at or close to high idle.
Ground Speed Control
Ground Speed Control sets the desired top speed by the operator if job site conditions or segment speed limits require a speed less than full run out. Machine Speed Limit is intended for use when top speed needs to be limited for longer durations and Ground Speed Control is intended for use when the top speed needs to be reduced for shorter segments or intermediate periods of time. The operator can set the desired top speed and the machine will find the correct gear that works best for the engine and transmission.
Fuel Economy Mode
This is a two part feature when selected. The first part of the feature lowers the transmission shift points allowing shifting to take place at lower rpms to aid in fuel savings. The second part of the Fuel Economy Mode allows the machine when operated at engine rpms less than full throttle to automatically vary the power distribution between the tractor and the scraper.
Sequence Assist (Optional Attachment)
This option uses cylinder position sensors to automate bowl, apron and further implement controls throughout the four core work cycles: Dig, Haul, Unload and Return. When utilized this can reduce up to 14 individual operator commands per cycle. Sequence Assist simplifies control over the implements, reduces joystick usage, automatically controls cushion hitch, transmission hold and ejector.
Payload Estimator (Optional Attachment)
The Payload Estimator will calculate the payload of the machine in tonnes or tons by measuring the bowl lift cylinder pressures at the beginning of the loaded haul segment. This feature works best when using Sequence Assist. Using Payload Estimator during testing has achieved better than 95% accuracy when compared to actual scale weights. The Payload Estimator feature comes automatically when a machine is ordered with Sequence Assist.
Load Assist (Optional Attachment)
Is designed to help shorten the learning curve of inexperienced operators to ensure consistency and faster loading of material while reducing effort of the operator. Based on the speed of the machine, Load Assist automatically adjusts the cutting edge height to manage wheel slip and to ensure consistent and efficient loading in bulk earthmoving applications.
Cat Grade Control (Optional Attachment)
Intelligently ensures the machine does not cut below grade in the cut area or over fill in the fill area – avoiding rework and moving unnecessary material.
Product Parameter
Overview
637K Wheel Tractor-Scraper
General
Units:
180° Curb-to-Curb Turning Width | 40.12 ft 12.23 m | More |
Fuel Tank Refill Capacity - Scraper | 370.0 gal (US) 1400.0 l | More |
Maximum Depth of Cut | 17.7 in 450.0 mm | More |
Maximum Depth of Spread | 21.1 in 535.0 mm | More |
Overall Shipping Height | 13.62 ft 4.15 m | More |
Overall Width | 12.93 ft 3.94 m | More |
Rated Load | 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons) 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons) | More |
Scraper Capacity - Heaped | 34.0 yd³ 26.0 m³ | More |
Scraper Capacity - Struck | 24.0 yd³ 18.3 m³ | More |
Tires - Scraper | 37.25R35**E3 37.25R35**E3 | More |
Tires - Tractor | 37.25R35**E3 37.25R35**E3 | More |
Top Speed - Loaded | 34.7 mile/h 55.8 km/h | More |
Width - Cut | 11.5 ft 3.51 m | More |
Engine
Emissions | Cat C9.3 ACERT and C18 ACERT engines meet U.S. EPA Tier 4 Final/EU Stage IV emission standards. Cat C9.3 ACERT and C18 ACERT engines meet U.S. EPA Tier 4 Final/EU Stage IV emission standards. | More |
Engine Model - Scraper | Cat C9.3 ACERT Cat C9.3 ACERT | More |
Engine Model - Tractor | Cat C18 ACERT™ Cat C18 ACERT™ | More |
Flywheel Power - Scraper | 290.0 HP 216.0 kW | More |
Flywheel Power - Tractor | 570.0 HP 425.0 kW | More |
Rated Engine RPM - Scraper | 2150.0 r/min 2150.0 r/min | More |
Rated Engine RPM - Tractor | 1900.0 r/min 1900.0 r/min | More |
Tractor Engine
Flywheel Power - Tractor/Scraper | 570.0 HP 425.0 kW | More |
Scraper Bowl
Scraper Capacity - Heaped | 34.0 yd³ 26.0 m³ | More |
Transmission
Top Speed - Loaded | 34.7 mile/h 55.8 km/h | More |
Service Refill Capacities
Cooling System - Scraper | 16.1 gal (US) 61.0 l | More |
Cooling System - Tractor | 19.8 gal (US) 75.0 l | More |
Crankcase - Scraper | 6.5 gal (US) 24.5 l | More |
Crankcase - Tractor | 13.7 gal (US) 52.0 l | More |
Diesel Exhaust Fluid - Scraper | 5.8 gal (US) 22.0 l | More |
Diesel Exhaust Fluid - Tractor | 8.0 gal (US) 30.5 l | More |
Fuel Tank | 370.0 gal (US) 1400.0 l | More |
Hydraulic System | 37.5 gal (US) 142.0 l | More |
Transmission System - Scraper | 12.9 gal (US) 49.0 l | More |
Transmission System - Tractor | 29.0 gal (US) 110.0 l | More |
Dimensions
Front of Tractor to Front Axle | 142.2 in 3612.0 mm | More |
Axle to Vertical Hitch Pin | 20.0 in 509.0 mm | More |
Wheel Base | 346.8 in 8808.0 mm | More |
Rear Axle - Rear of Machine | 90.2 in 2292.0 mm | More |
Extended Push Block (Push-Pull) | 108.0 in 2744.0 mm | More |
Ground Clearance - Tractor | 26.1 in 664.0 mm | More |
Height - Overall Shipping | 163.2 in 4145.0 mm | More |
Height - Scraper Blade Maximum | 20.0 in 510.0 mm | More |
Height - Top of Cab | 147.0 in 3733.0 mm | More |
Length - Maximum (Push-Pull) | 655.1 in 16640.0 mm | More |
Length - Overall Machine - Standard | 597.0 in 15164.0 mm | More |
Width - Inside of Bowl | 134.0 in 3404.0 mm | More |
Width - Outside Rear Tires | 143.2 in 3636.0 mm | More |
Width - Overall Machine | 155.0 in 3937.0 mm | More |
Width - Rear Tire Centers | 96.9 in 2462.0 mm | More |
Width - Tractor | 137.8 in 3499.0 mm | More |
Non Push-Pull
Operating Weight - Empty | 114950.0 lb 52140.0 kg | More |
Overall Length | 49.34 ft 15.04 m | More |
Push-Pull
Operating Weight - Empty | 119060.0 lb 54005.0 kg | More |
Overall Length - With Bail Down | 54.59 ft 16.64 m | More |
Cab
Exterior Sound Level | The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A). The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A). | More |
ROPS/FOPS | ROPS/FOPS meet “ISO Standards.” ROPS/FOPS meet “ISO Standards.” | More |
Safety Criteria Compliance Standards
Brakes | ISO 3450:2011 ISO 3450:2011 | More |
Falling Object Protective Structure (FOPS) | ISO 3449:2005 Level II ISO 3449:2005 Level II | More |
Reverse Alarm | ISO 9533:2010 ISO 9533:2010 | More |
Rollover Protection Structure (ROPS) | ISO 3471:2008 for up to 21 282 kg (46,919 lb) ISO 3471:2008 for up to 21 282 kg (46,919 lb) | More |
Seat Belt | SAE J386:FEB2006 SAE J386:FEB2006 | More |
Steering System | ISO 5010:2007 ISO 5010:2007 | More |
Travel Speeds - Runout
Transmission Gear - Eighth | 34.7 mile/h 55.8 km/h | More |
Transmission Gear - Fifth | 14.1 mile/h 22.7 km/h | More |
Transmission Gear - First | 3.4 mile/h 5.5 km/h | More |
Transmission Gear - Fourth | 10.5 mile/h 16.9 km/h | More |
Transmission Gear - Reverse | 6.2 mile/h 9.9 km/h | More |
Transmission Gear - Second | 6.2 mile/h 10.0 km/h | More |
Transmission Gear - Seventh | 25.7 mile/h 41.95 km/h | More |
Transmission Gear - Sixth | 19.0 mile/h 30.6 km/h | More |
Transmission Gear - Third | 7.7 mile/h 12.4 km/h | More |
Implement Cycle Times
Apron Lower | 3.8 s 3.8 s | More |
Apron Raise | 4.0 s 4.0 s | More |
Bail Lower | 2.1 s 2.1 s | More |
Bail Raise | 1.5 s 1.5 s | More |
Bowl Lower | 3.5 s 3.5 s | More |
Bowl Raise | 3.5 s 3.5 s | More |
Ejector Extend | 8.5 s 8.5 s | More |
Ejector Retract | 8.5 s |